Signed-off-by: Andrei Kvapil <kvapss@gmail.com>
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## Summary by CodeRabbit
- **New Features**
- Added new validation rules to enforce stricter configuration
requirements for datastore drivers and authentication fields.
- Introduced a new field to specify stop signals for containers and a
new status field to track terminating pods.
- Added a new "Sleeping" status for version reporting.
- **Improvements**
- Updated and clarified field descriptions for environment variable
sources, volume types, and deployment status.
- Removed outdated beta feature gate notes from documentation.
- **Bug Fixes**
- Improved handling and validation of sensitive configuration fields
based on driver type.
- **Chores**
- Updated Go base image and Kamaji version in the Dockerfile.
- Changed Kamaji image tag to use the latest version.
- **Refactor**
- Moved imagePullSecrets configuration from the deployment to the
ServiceAccount manifest for better management.
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